PercCheck

Humboldt County, IA Septic Rating

Septic suitability in Humboldt County, IA

Very limited

Humboldt County, IA's SSURGO dominant class comes back "Very limited", covering 94.4% of the county. This is the reading that pushes a project toward an engineered system rather than a conventional one, covering that same share of Humboldt County's land. The county spans 434 square miles, home to 9,617 people.

What this number does and doesn't tell you

Nothing about Humboldt County, IA's SSURGO figure applies to a specific address - it's a county-wide average. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.

Humboldt County: conventional vs. engineered cost

94.4% of Humboldt County carrying a "Very limited" reading changes the realistic budget here. Conventional systems run $3,000-$8,000 where they pass; where they don't, engineered alternatives (mound or aerobic treatment, whichever the health department requires) run $10,000-$40,000 - budget toward the higher figure until a perc test says otherwise.

How Humboldt County, IA compares

Among the 3,058 rated counties on this site, Humboldt County, IA ranks 735 most-constrained nationally, and 52 of 99 within Iowa.

Further reading

How this rating is built, and its real limits · Conventional vs. engineered septic systems